How do cheetahs get their super speed? We talk to a cheetah scientist to find out why a spotted cat is the fastest animal on Earth. Cheetahs are literally built for speed! Anne Hilborn spent months scoping out cheetahs on the hunt in the grasslands of the Serengeti. We’ll discover how cheetahs’ incredible speed is linked to their survival - and what they do ... Show More
Sep 4
Mailbag: Why Does the Left Brain Control the Right Side of Your Body? Are Dinosaurs Reptiles or Birds?
In this final mailbag episode of Summer 2026, Marshall and Lindsay address two listener questions, and learn about a surprising twist of evolution. Plus, listener reviews and comments! To get an invite to the next Tumble meetup, as well as receive birthday shout outs and ad free ... Show More
18m 12s
Sep 2025
369. Alison asks: What if cheetahs were the fastest in the air and the water?
Fast Alice, the fastest cheetah in the universe, adopts a baby tree-dog. As the dog grows up and Alice grows old, she finds that she isn’t so fast anymore. Lessons include: Growing old is just a part of growing up; what we say to ourselves can become true; we only stop growing wh ... Show More
25m 47s